:root {
  --bg: #F2F4F0; --card: #FFFFFF; --ink: #15211A; --muted: #56635A; --line: #D5DCD3;
  --primary: #1F4D3A; --on-primary: #FFFFFF; --fill: #E7ECE5;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #000000; --card: #0E1511; --ink: #E4EBE5; --muted: #9AA89E; --line: #26332B; --primary: #8FC9A8; --on-primary: #062016; --fill: #18221C; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif; }
a { color: var(--primary); }
header { background: var(--primary); color: var(--on-primary); }
header .in, main, footer { max-width: 760px; margin: 0 auto; padding: 0 16px; }
header .in { display: flex; align-items: center; gap: 12px; padding-top: 14px; padding-bottom: 14px; }
header img { width: 40px; height: 40px; border-radius: 10px; }
header a { color: var(--on-primary); text-decoration: none; font-weight: 700; font-size: 20px; }
header nav { margin-left: auto; display: flex; gap: 16px; font-size: 15px; }
header nav a { font-weight: 500; font-size: 15px; opacity: .9; }
main { padding-top: 32px; padding-bottom: 48px; }
h1 { font-size: clamp(30px, 6vw, 44px); line-height: 1.15; margin: 0 0 12px; }
h2 { font-size: 22px; margin: 32px 0 8px; }
h3 { font-size: 18px; margin: 20px 0 6px; }
.lead { font-size: 19px; color: var(--muted); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 20px; margin: 16px 0; }
.btn { display: inline-block; background: var(--primary); color: var(--on-primary); padding: 12px 22px; border-radius: 999px; text-decoration: none; font-weight: 600; }
.lang { display: inline-flex; gap: 4px; background: var(--fill); padding: 4px; border-radius: 999px; margin-bottom: 8px; }
.lang a { padding: 4px 14px; border-radius: 999px; text-decoration: none; color: var(--ink); font-size: 14px; }
.lang a.on { background: var(--card); font-weight: 600; }
.muted { color: var(--muted); }
ul { padding-left: 22px; }
table { border-collapse: collapse; width: 100%; font-size: 15px; }
th, td { text-align: left; vertical-align: top; padding: 8px 10px; border-bottom: 1px solid var(--line); }
.tw { overflow-x: auto; }
footer { padding-top: 16px; padding-bottom: 32px; font-size: 14px; color: var(--muted); border-top: 1px solid var(--line); }